CVE-2025-14524

NameCVE-2025-14524
DescriptionWhen an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP, POP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new target host.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
curl (PTS)bullseye7.74.0-1.3+deb11u13vulnerable
bullseye (security)7.74.0-1.3+deb11u16vulnerable
bookworm7.88.1-10+deb12u14vulnerable
bookworm (security)7.88.1-10+deb12u5vulnerable
trixie8.14.1-2+deb13u2vulnerable
forky8.18.0~rc3-1fixed
sid8.18.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
curlsource(unstable)8.18.0~rc2-1

Notes

[trixie] - curl <no-dsa> (Minor issue)
[bookworm] - curl <no-dsa> (Minor issue)
[bullseye] - curl <postponed> (Minor issue; can be fixed in next update)
https://curl.se/docs/CVE-2025-14524.html
Introduced with: https://github.com/curl/curl/commit/06c1bea72faabb6fad4b7ef818aafaa336c9a7aa (curl-7_33_0)
Fixed by: https://github.com/curl/curl/commit/1a822275d333dc6da6043497160fd04c8fa48640 (rc-8_18_0-2, curl-8_18_0)

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